On the present, the main studies focus on the stability improvement of photochromic dyes, preparation of sol-gel optical fibre and decrease of hydroxyl group content.
提高光致变色染料的稳定性、制备溶胶-凝胶光纤及降低杂化材料羟基含量是目前的研究重点。
Glass with low hydroxyl group content prepared by the technology of the invention has the advantages of low costs, simplicity and easy operation, prominent de-watering effects and the like.
本发明工 艺制备的低羟基含量玻璃，具有成本低廉、简单易行、除水效果显著等特点。
Glass with low hydroxyl group content prepared by the technology of the invention has the advantages of low costs, simplicity and easy operation, prominent de-watering effects and the like.
本发明工 艺制备的低羟基含量玻璃，具有成本低廉、简单易行、除水效果显著等特点。
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